Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE8wSFrx8NzFMKZXYGqEFwxgV9jXsJqRpl8ydTEeJg74WwCLPqaybyD4TJy… (844 chars)"
  }
}